Finding the Fourth Proportional to 30,823.76, 42,498.06 and 25,152.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,823.76 : 42,498.06 = 25,152.75 : x
2. Step 2: Convert to fraction form
   30,823.76/42,498.06 = 25,152.75/x
3. Step 3: Cross multiply
   30,823.76x = 42,498.06 × 25,152.75
4. Step 4: Simplify right side
   30,823.76x = 1,068,943,078.67
5. Step 5: Solve for x
   x = 1,068,943,078.67/30,823.76
6. Step 6: Final answer
   x = 34,679.19